Combination receiving tray and cover for duplicating machines



March 24, 1953 v o. SMITH 2,632,388

COMBINATION RECEIVING TRAY AND COVER FOR DUPLICATING MACHINES 7 Filed July 12. 1948 e Sheets-Sheet 1 Jun 0. L. SMITH COMBINATION RECEIVING TRAY AND March 24, 1953 COVER FOR DUPLICATING MACHINES 9 Sheets-$heet 2 Filed July 12, 1948 March 24, 1953 o. L. SMITH 2,632,388

COMBINATION RECEIVING TRAY AND COVER FOR DUPLICATING MACHINES Filed July 12, 1948 9 Sheets-Sheet 5 1770?? for: Owed lee 5771 2292 March 24, 1953 o. L. SMITH 2,632,388

COMBINATION RECEIVING TRAY AND I COVER FOR DUPLICATING MACHINES Filed July 12. 1948 9 Sheets-Sheet 4 1 w ':H I II 6 5 O. L. SMITH COMBINATION RECEIVING TRAY AND COVER FOR DUPLICATING MACHINES March 24, "1953 Filed July 12. 1948 March 24; 1953 o SMITH 2, 323% COMBINATION- RECEIVING TRAY AND COVER FOR DUELICATING MACHINES Filg July 12, 1948 9 Sheets-Sheet e ix N I j} .372 zor'n Owed Le 571111 2 rzreys 9 Sheets- Sheet '7 March 24, 1953 o, L, sMn- COMBINATION RECEIVING TRAY AND COVER FOR DUPLICATING MACHINES Filed July 12. 1948 I Ored lee 57721'67;

March 24, 1953 o. l... SMITH COMBINATION QEIVING TRAY COVER FOR D MACH Filed July 12, I948 IOATING .9 Sheets-Sheet 8 .4 u l n n u March 24, 1953 o, sM|TH 2,632,388

COMBINATION RECEIVING TRAY AND COVER FOR DUPLICATING MACHINES v 9 Sheets-Sheet 9 Filed July 12. 1948 0/"ed lee 57711252;

Patented Mar. 24, 1953 COMBINATION RECEIVING TRAY AND COVER FOR DUPLICATIN G MACHINES Ored Lee Smith, Oak Park, Ill., assignor to Ditto, Incorporated, Chicago, 111., a corporation of West Virginia Application July 12, 1948, Serial No. 38,278

3 Claims.

The present invention relates to a duplicating machine of the type that employs a master sheet that is mounted on a rotatable drum and copy sheets are brought into pressure contact with this master sheet for transferring typed material from the master sheet onto the copy sheets. In this type of machine a pressure roller is disposed direct y and firmly against the periphery of the drum and at the front side of the machine there is provided a forward paper tray upon which are stacked a plurality of copy sheets. From this forward paper tray the copy sheets are fed individually between the pressure roller and the drum while the drum is rotated and then these sheets are deposited one at a time in a receiving paper tray that is disposed at the back of the machine. The present invention is concerned more particularly to a machine of this type wherein the receiving paper tray serves both as a tray for receiving the copy sheets and as a cover for covering the rotatable drum and the mechanism adjacent to the drum.

One object of the present invention is to provide a combination paper tray and cover for a machine of this type. This is accomplished in a simple manner by a device that is simple both in structure and in operation and yet by an ar rangement that serves very effectively both as a paper tray and as a machine cover.

In machines of this type the peripheral surface of the pressure roller is composed of some resilient material, such as rubber. Thus when the rotatable drum and the pressure roller are in pressure contact with each other the rubber surface of the pressure roller is somewhat flattened in the region of contact. During operation of the machine the area of contact between the rotatable drum and the pressure roller moves about the peripheries of both members but while the machine is not in use these areas remain stationary and after an extended period of non-use of the machine, the pressure roller is very apt to develop a flattened region over its peripheral surface. This, of course, is objectionable because unless the periphery of the pressure roller is truly cylindrical the amount of pressure between the pressure roller and the drum will vary during machine operation. Such a condition produces copy sheets having non-uniform inked impressions including both light and dark areas.

It is another object of the present invention to insure against this undesirable condition by providing an arrangement that releases the contact pressure between the pressure roller and the rotatable drum. This is accomplished in conjunction with the combination paper tray and machine cover to the extent that it is impossible to completely close the machine cover until the contact pressure between the pressure roller and the rotatable drum has been released. Thus each time use of the machine has been completed and the operator closes the cover, he must first release the contact pressure between the pressure roller and the drum. Failure to so release the contact pressure is immediately called to the operators attention when he moves the cover to closed position and this constant reminder serves as a safeguard against the possibility of closing the machine and allowing it to remain idle for an extended period while the pressure contact between the pressure roller and the rotatable drum is maintained.

Thus it is another object of the present invention to provide an arrangement for releasing pressure contact between the pressure roller and the rotatable drum that serves as a constant reminder to the machine operator at the time the machine is being closed.

The foregoing constitute some of the principal objects and advantages of the present invention, others of which will become apparent from the following description and the drawings, in which Fig. 1 is a fragmentary, longitudinal, vertical sectional view through a duplicating machine embodying the present invention and showing the combination receiving tray and cover in its open position;

Fig. 2 is a fragmentary, vertical sectional view taken through the combination receiving tray and cover, the view being taken on the line 2-2 of Fig.

Fig. 3 is a view corresponding to Fig. 1 but illustrating the combination receiving tray and cover in its fully closed position, the View being taken along the line 3-3 of Fig. 6;

Fig. 4 is a fragmentary view corresponding to Fig. 3 but showing the combination receiving tray and cover in its partially closed position abutting against the movable stop that forms part of the pressure release mechanism for the pressure roller;

Fig. 5 is a longitudinal sectional view (with a portion broken away) through the duplicating machine illustrated in Fig. l but showing in particular the pressure roll-er releasing mechanism;

Fig. 6 is a fragmentary top plan view of the duplicating machine embodying the present invention with a portion of the machine broken away;

Fig. 7 is a fragmentary, plan view of that por 3 ti-on of the machine that is broken away in Fig. 6;

Fig. 8 is a vertical, sectional view through the machine, the view being taken along the line 8-8 of Fig. 1;

Fig. 9 is a vertical, sectional view through the machine, the view being taken along the line 9-9 of Fig. 1;

Fig. 10 is a fragmentary, horizontal, sectional view through the machine, the view being taken along the line IBH3 of Fig. 1, a portion of the machine being illustrated as a plan view;

Fig. 11 is a fragmentary, vertical, transverse, sectional view through the machine, the view being taken along the line H-L-ll of Fig. 10;

Fig. 12 is an enlarged, Vertical, longitudinal, sectional view through a portion of the machine illustrated in Fig. 3 and showing particularly the lower feed roller in engagement with the upper feed roller and the pressure roller disposed out of pressure contact with the drum;

Fig. 13 is a fragmentary, horizontal, sectional view through a portion of the machine, the view being taken along the line l3.-|3 of Fig. 12;

Fig. 14. is a view corresponding with fragments of Fig. 12 but illustrating the lower feed roller in itslowered position;

Fig. 1511s an enlarged, detail view of the operatingarm and locking mechanism form-ingpart ofthe pressure roller releasing mechanism; and

Fig. 16, is a sectional view through the device shown in Fig. 15, the view being taken along the line |'6-l Ii of Fig. 15.

For purposes of. illustration 2. single embodiment of the present invention has been selected and will be described hereinafter, It is recognized, however, that numerous modifications may be made in the embodiment as shown without departing from the intended scope and spirit of the invention.

Referringv to. thedrawings thepresent invention. is. illustrated as embodied in a duplicating machine generally indicated at 2t. that includes a machine frame comprising spaced side walls 2i (see Figs. Sand 9) connected by transverse framingmembers, one of whichis indicated at 22 in Figs. 1, 8 and 9. The machine is supported on a plurality of feet, some of .which are indicated Rotatably mounted on the machine and generally in the, side walls 2! is a drum 2a that is mounted on a shaft 25, (Fig. 1). This drum 24 is adapted to receive about its peripheral face a master sheet (not shown) that is locked or clamped in' place by a clamping device generally indicated at 25c. As best shown in Figs. 5 and 9 the shaft 25 is journalled in bearings 26 and is rotated by means of a hand crank 21 that is geared to the shaft 25 by means of gear 28 and 29. Though the present machine is illustrated as a manual machine powered through a hand operatedcrank 21 it is, of course, recognized that this machine may be powered by an electric motor or the like in some conventional manner.

A pressure roller 3E3 mounted on a shaft 3| is disp sed parallel to thedrum 24 and is journalled as at 3-2 at its opposite ends in a pair of spaced cradles 33. Each of the cradles 33' is pivotally mounted as at 34 on the adjacent side wall 22 of the machine and as demonstrated by comparing the relative positions of pressure roller 39 in Figs. 1 and 12, the cradles 33 can pivot about their pivot points 3- 3 so as to move thepressure roller from a position in pressureengagement with the peripheral face of the drum 24 as shown in Fig.1 to a withdrawn or pressure released position shown in Fig. 12 where the pressure roller 30 is out of engagement with the periphery of drum 25.

As best shown in Figs. 1 and 9 the cradles 33 are connected at their lower ends by a connecting bar 35 to which is secured by means of a pin or rivet 3-5 a bifurcated link 37-- that is disposed intermediate the ends of the connecting bar 315. This link 3'! is connected at its free end as at 38 to one end of a crank arm 39 which in turn ismounted on an eccentric M that is keyed by a machine screw t] to a shaft 42 (see Figs. 1 and 8). This shaft 42 at one end is j-ournalled as at 13 in a bracket 44 that .in turn is welded or otherwise secured .to a rigid part id of the machine.

., mentioned-end of shaft 52 by means of a machine screw 48 or the like is a' collar 49 that carries a c a k arm 5% s stshow i Els 5 and To the free end of this crank 5 9; is p-ivotally secured one end of alink 5i as at 5 2, the other end of which is pivotally securedas. at. 5,3 to one end of a bell crank 54 This bell crank 5 4 is pivoted as at 55 to adjacent side wall; 21., of; the machine. The bell crank 5 d adapted to pivot about its pivot point 55 so as to move the free end of the bell crank Edinan are over an arcuate shaped plate 58 that is screwed at both ends as at 57 to the side wall 2! of the machine. A detect 58 is disposed adjacent to the inside face of the bell crank 54 and is mounted on the bell crank 54 by means of upper and lower rivets Stand Ell respectively that pass through. anelong ated slot 8! in .the bell crank 5d, The-detent 53 isadap'ted to slide in thelongi'tudin l direction along the bell crank 56 with the rivets 53 and id sliding lengthwise in the slot 6 i. To the free end of rivet ti} is secured as at 5 2 a springjEB that is attached at its opposite end as at 64 tc a lug 645, that projects outwardly from the bell crank Edadjacent to the free endof the bellcrank. Thisspring 63 normally maintains the detent 5 8; in its upper most p on with e sher i et 15. en agi the upper extremity of thesl-ot 6i (as shownin Figs. 15 and 16).

The upper end of the detent 58 ,is tapered to provide a point indicated at. that is adapted to engage notches 61 that are provided along the lower edge of the plate 55, The spring 63 normally holds the pointed end 65 of the detent 58 in engagement in oneofthe notches 6'! but as force is applied to thebell crank 54 to move it in an arc in its pivot point 55,, the pointed end 56 of the detent 58, is camrned out of the notch 61 when this force is sufficient to overs come the action of thespring Bill. The position of the bell crank Eican-be adjustedrela tive to the arcuate plate 5.6 and can be. locked in any selected position bycooperation between the detent 56 and the notches. iii in the bottim edge of the, plate 56. An operating lever 68 (Figs. 8 andlfi) is secured to the upper end of the bell crank 54, and projects through an areaate slot 69 inthe adjacent side wall 21 of the machine and operation of the bell crank 54 is efiected by manual manipulation of, this operating lever 63. Secured to the operating lever 63 is a stop member 10 as can be seen in Figs. 3, 4, 6, 8 and 16.. Whenthe bell crank; 5.4 is disposed with the stop. member 75;;disposed at the extreme right of the arcuate plate 56the cradle 33 isdisposed in the position shown in Figs. 3 and 12 with the pressure roller 3il'retra ctedand out of engagement with the peripheral surface of the drum 24. As the bell crank 54 is moved in a counterclockwise direction as viewed in Fig. 5, the pressure roller 3!! is moved toward the drum 24 and is finally brought into engagement with the periphery of the drum. The degree of pressure between the pressure roller 30 and the drum 2% can be varied by further and selectively moving the bell crank in a counterclockwise direction as viewed from Fig. 5 and the selected position for the bell crank can be locked in the manner previously described by cooperation between the detent 58 and the notches 51 in the arcuate plate 55. It is apparent, of course, that the more pressure that exists between the pressure roller 3%] and the drum 24, the darker will be the inked impressions on the copy sheets that are brought into contact with the master sheet on the drum. Thus there is provided a mechanism for selectively determining the darkness or lightness of the impressions that are to be made on the copy sheets.

As shown in Figs. 6, '7, 15 and 16, an indicating plate ll of arcuate shape is secured to a bracket Ha that is attached to the upper end of the bell crank 54. This indicating plate moves with the bell crank past a window llb (see Figs. 5 and 7) and is marked across its upper face with letters indicating various conditions of pressure contact between the pressure roller 36 and the drum 24, the letter H representing heavy pressure contact for heavy inked impressions on the copy sheets, the letter M indicating medium pressure contact to denote medium inked impressions on the copy sheets, the letter L rep-resenting light pressure contact to denote lightly inked impressions on the copy sheets and the letter 0 representing no pressure contact when the pressure roller is out of engagement with the drum.

Again referring to Fig. 1 the machine 26 also includes a pair of rollers 8t and 8! that serve as feed rollers. These roller are mounted on shafts 82 and 83 respectively, shaft 33 being journalled as at 84 (see Fig. 8) at its opposite ends in the spaced side walls 2! of the machine frame. Shaft 82 is journalled in spaced cradles 85, each of which in turn is pivotally mounted as at 86 on the corresponding side wall 2! of the machine. The feed rollers 86 and 8! are normally disposed with their peripheral surfaces in engagement as shown in Fig. 1 and the upper feed roller 8! serves as a moistening roller, receiving its moistening fluid from a fountain generally indicated at 8'! that is suitably mounted above the roller 8! in a manner more completely described in the copending application of Herman A. Genz, filed May 6, 1948 and bearing Serial No. 25,341. This fountain 87 receives a supply of fluid and is adapted to spray this fluid onto the peripheral face of the roller 3!. A wick BBis held in engagement with the peripheral face of the roller 8! and serves to spread the fluid from the fountain 8'! in an even film over the face of the roller 8 I.

Disposed at the front of the machine 20 is a paper tray generally and partially indicated at 89 in Fig. 1. Copy sheets that are to be fed through the machine are stacked on this forward tray 89 and are fed one at a time between feed rollers 8!! and 8! in a well-known manner. The feed rollers 8!! and 8! are caused to rotate when the machine is operated through suitable gearing (not shown) with the hand crank 2! illustrated in Fig. 9 and then each sheet is individually fed by the feed rollers and 8| into the bite between pressure roller 30 and the drum 24. During this time the drum 24 is rotated and the typed material contained on the master sheet that is mounted on the drum is transferred onto the copy sheet thus passing between pressure roller 30 and the drum 24. The copy sheet leaving the drum 24 is then deposited in a paper tray that is generally indicated at in Fig. 1. This paper tray 90 serves both as a receiving tray for the paper and as a cover for the machine as will be hereinafter more fully described.

As previously mentioned the cradles 85 are adapted to pivot about their pivot points 86 and carry with them the lower feed roller 80 so as to move the lower feed roller 8!) with respect to the upper feed roller or moistening roller 8| from the position shown for example in Fig. 1 where the two rollers are in engagement to a separated position illustrated in Fig. 14. A pair of spaced grasping arms 9! is provided for manipulating the cradles 85, each grasping arm 9! being pivotally mounted as at 92 to the corresponding cradle 85. As shown in Fig. 14 the grasping arms project through an aperture 93 in a plate 94 and a shoulder 95 is disposed on the lower edge of each grasping arm 9! which locks against the bottom edge of the plate 94 as best shown in Fig. 14 when the cradle 85 is disposed in its retracted position. A tension spring 95 is fastened at one end as at 9? to an arm 98 that projects downwardly from each cradle 85 and at its other end is secured to a lug 99 that projects inwardly from the side wall 2! of the machine frame. The spaced cradles 85 are connected together to operate as a unit by a cross brace and the cradles 85 are normally held in their upper positions with the feed rollers 6!! and 8! in engagement by the spring 96. To release the cradles 85 when they are in their retracted position shown in Fig. 14 the grasping arms 9! are raised at their free ends so as to disengage the shoulder portions 95 of the grasping arms 9! from-the lower margin of plate 94. The spring 96 then returns the cradles to their normal position shown in Fig. 1. The plate 94 is provided with inturned flanges 94a at its opposite ends which in turn are screwed at Oil to the spaced side walls 2! of the machine (see Fig. 13).

Referring now to Figs. 1, 3, 10 and 12 the combination receiving tray and cover 99 comprises generally a tray portion indicated at It! that is fastened by means of a plurality of angle clips. H32 that may be welded to a cover portion gen erally indicated at Hi3. This tray it! comprises. a bottom wall Hi4, side walls H35 and end wall IE6 which all cooperate to form a pan-like tray. The fourth side of the tray lit! is closed by an. upstanding wall tel that is provided on a plate Hi3 that is mounted to slide in a drawer-like fashion with respect to the bottom wall I94 of the tray. A pair of retaining strips H39 (see Figs. 10 and 11) are fastened as by bolts lid to the underneath face of the tray bottom I84 and these strips it are disposed at the opposite side edges of the sliding plate I08 and actually engage the underneath face of the plate to retain it in place. As shown in Fig. 11 guide strips I I of some hardenedmaterial are provided, one on each side of the sliding plate I08 and actually abut against the sides of the plate to form tracks between which the plate can slide. A pair of spaced straps H2 shown in Figs. 10 and 11 are secured-against 7 the: underneath. face. of. the strips. I095 and: are up aised in thecenternortion as at llm so as to engage the; underneathface. of v the; sliding plate; I085 to. provideiriction during movement of the plate I93; The sliding plate I98 has a downturned flange on its inner end as; is indi cated-at-I-Idthat engages the edge ofthe straps I'I2;in both extremepositions of the sliding plate I98 S"3,S1JO limit the movement of this plate.

Thetray bottom I94. is cut out. to provide an elongated slot. illta shown in Fig. 10;

The cover member I93 includes a lower cover segment- II i. andan upper cover segment H5 hinged together as at H6. The lower cover-segment H4. comprises a bottom or outer wall II! that turns up at itsinner or lower end te -form anend wall II8 and. a pair of spaced side walls II9 (seeFigs. land 10); The spaced sidewalls H9 projectupwardlyto a position adjacent to the side; walls,I95 of the paper tray member IOI. Thecombination receiving tray and cover 99. is pivotally. mounted as at-I29- (Fig. 1) to theside walls--21 ofthemachine frame. Each of these pivotpoints I29. is formed by a pivot assembly shown generally at. I2iin- Fig. 2 that includesia cylindrical housing I22 that is securedonto' a sidewall Hit of the'tray member I9! over an aperture in the wall. A plunger I23 is mounted in the cylindrical housing I22 and is provided with an enlarged head portion I24 that projects through the apertureinwall H9 and into an aperture [25in theadjacent side wall 2| of the machine frame. An annular shoulder I26 is provided at the outer endof the cylindrical housing I22 and mounted concentrically about plunger In and-seated between the shoulder I26. and the inner-edge of plunger head I24 is a compression spring. I21 that normally holds the plunger head I24- in its extended position shown in Fig. 2. To the free end of the plunger I23 is attached as at I28 ahead or knob I29 that is adapted to move with the plunger I23.

Theupper or outer cover segment H5 comprises, a body-or outerwall I39 that is bent inwardly at its free end to form a front wall for the cover'indicated at I3I to. which is attached a knob I32. Thecover segment H5 is further provided with spaced side walls I33. Projecting rearwardly from each ofthe side walls I33 is an arm I34 and projecting-inwardly or upwardly from each of the sidewalls N9 of the inner or lower cover segment is a hook member I35 that is provided with a: head portion I38 that is adapted to engage the free end of the corresponding arm I34 that projects inwardly from the adjacent sidewall I33 of the upper or outer cover segment I I5.

The entire combination receiving tray and cover assembly 90 is adapted to rotate about the pivot points indicated at I29 from an open position shown for example in Fig. 1 of the drawings to a closed position shownin Fig. 3. To offset this movement the operator of the machine grasps the knob I32 shown inFig. 1 and first rotates the upper or outer cover segment [I5 about the pivot formed by hinge I l'auntil the outer or bottom wall I39 forms substantially a continuation of and is flush with the outer or bottom wall i I? of the lower coversegment I Hi. Before this operation, can be efiectedhowever. sliding plate I08 must'be pushed inwardly to the relative position shownin Fig. 3. Next the operator continues. to rotate the assembly, 98 -.by. grasping the knob I 3 2 so as to. rotate the entire assembly'in a counter-. clockwise direction about the pivot points I 29 un iL the. combination receiving tray and cover assumesthe position. shown in Fig. 3; Themachine is completely; closed. when the-cover is in the latter; position. To openthe.machine the operationisreversedand when the cover portion I93 assumes the position shown inFig. lthe-slidingplate I93 is again pulled. out to its extended position-and the machine is ready for operation with the paper tray portion I-lJ-I in conditionto receive copy sheets as-they are. discharged from the-machinedrurn 2d.- As shown in Figs..1 and 10 an angle memberv lalisbolted or rivetedas at I38 to, the rear wall II8 ofthelowercover portion H4, one anglemember being. disposedadlacentto each of the-side. walls I I9 of the lower cover portion. Each anglemember I31isadapted to engagethe corresponding lug 99 when thecombination receiving tray. and cover assembly 99 is disposed in its open position shown in Fig.1 so as to. support this. assembly.

Asshown in Fig. 3 when the combination receiving tray andcover 9i]v is in its fully closed position the movable stop i9 is locatedat. its extreme right hand position corresponding to the O posit-ion marked on the indicating plate H in. Fig. 6. Under these conditions the pressure roller 3i? is'in its retractedposition when the pressure roller 39 is completely out of pressure engagement with the drum B l-as. previously described. Aiter the stop. member 79.15 in any of the other positions, indicated by the. letters L, M or. H on the indicating plate II shown in Fig. 6 so. that the pressure rollertil'is in pressure contact with the drum 25, then the lower edge of the front wall I3 I (seeFi'g. 4) abuts against the movable stop member iii'to prevent final closing of the upper cover portion II5; Thus the ma,- chine operator is immediately remindedthat the pressure roller 36 has not been released from the pressure contact of the drum. 24Jand'in order to completely close the machine it'is necessary for the operator to slightly raise the cover portion I I5 and. move the movable stop .Ill'by manipulation of operating lever. 68 (Figs; 15. and 16) to the osition shown in Fig. 3. The machine cover can. then be completely closed.

The combination receiving tray and. cover 96 can be entirely removed'from-the machine. This is accomplished by grasping the knobs I29 on each side of the assembly (one: being shown in Fig. 2) and pulling the knobs inwardly so as to retract the plunger head I24 entirely out of the apertures I25 in side walls 2i of themachine. The assembly 99 is then rotated slightly so as to. disengage the angle members I3! (see Fig. 1) from the adjacent lugs 99 and then the entire assembly 96 is moved rearwardly and withdrawn from the machine.

I claim:

1. A duplicatin machine including a frame having spaced side members, a drum'rotatably adapted to project forwardly, when said first cover member is in upright position, so that said second cover member overlies said drum and cooperates with said first cover member to enclose the rear and top of the duplicating machine, said second cover member being movable with respect to said first cover member so that when said first cover member is in its substantially horizontal position said second cover member may also be disposed in substantially horizontal position thereby forming an extension of said first cover member, and a tray member mounted on said first cover member and being movable with said first cover member, the front end of said tray, when said cover member is in substantially horizontal position, being disposed immediately back of said pressure roll, whereby movement of said cover member from upright position to horizontal position will cause said tray member to be moved into operative position with respect to the bite of said drum and pressure roll so that it will receive copy sheets passing through said bite.

2. A duplicating machine as claimed in claim 1 in which said tray member is provided with a slidable tray segment, an upstanding wall carried by said tray segment for confining the sheets delivered to said tray, said slidable tray segment being extendible rearwardly beyond said first cover member into a position overlying said second cover member when the latter is disposed in its horizontal position, and said slidable tray segment being movable forwardly to a position in which it clears said second cover member so as to permit movement thereof into its forwardly extending cover position.

3. A duplicating machine including a frame having spaced side members, a drum rotatably journaled in said frame, a pressure roll journaled in said frame and engaging the drum at a point beneath the same, and a combination receiving tray and cover adapted to assume either one of two positions, said combination tray and cover including a first cover member having a pair of spaced side walls disposed adjacent said side members and interiorly thereof, pivot means connecting said side walls with said side members whereby said cover member may be swung from a substantially horizontal position into a substantially upright position in Which the upper end of said cover member is disposed adjacent the back side of said drum, a second cover member hingedly mounted on said first cover member at said upper end and being adapted to project forwardly, when said first cover member is in upright position, so that said second cover member overlies said drum, means for limiting the relative movement of said second cover member with respect to said first cover member when said first cover member is in its substantially horizontal position so that said second cover member will also be disposed in substantially horizontal position thereby forming an extension of said first cover member, and a tray member mounted on said first cover member between the side walls thereof and being movable with said first cover member, said tray being provided with an end wall which, when said cover member is in substantially horizontal position, is disposed immediately back of said pressure roll, and being provided with side walls by means of which copy sheets may be confined within said tray whereby movement of said cover member from upright position to horizontal position will cause said tray member to be moved into operative position with respect to the bite of said drum and pressure roll so that it will receive copy sheets passing through said bite.

ORED LEEv SMITH.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 750,863 Klaber Feb. 2, 1904 1,666,193 Brasseur Apr. 17, 1928 2,105,195 Marchev et a1. Jan. 11, 1938 2,231,639 Ritzerfeld Feb. 11, 1941 2,233,895 Mestre Mar. 4, 1941 2,399,176 Ford Apr.30, 1946 2,558,046 Geib June 26, 1951 

